Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time?
[2 marks]
[NCERT Q.13]
[Zones of candle flame]

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Solution

Solution:

The water in Ramesh”s beaker will heat up in a shorter time. [1 mark]

This is because the outermost zone or non-luminous zone of a flame is the hottest zone as complete combustion of wax takes place in that zone. [1 mark]

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Q. Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick of the candle flame. Ramesh kept the beaker on the outermost part of the flame. Whose water will get heated in a shorter time?

Abida and Ramesh want to heat water taken in separate beakers. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time ? Why ?

Name the various zones of a candle flame. Which zone (or part) of a candle flame is the least hot (or coldest) ?

The outermost zone of a candle flame is the :

(a) least hot part

(b) coldest part

(d) moderately hot part

Abida and Ramesh were doing an experiment in which water was to be heated in a beaker . Abida kept the beaker near the wick in the yellow part of candle flame . Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time.

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Solution: The water in Ramesh”s beaker will heat up in a shorter time. [1 mark] This is because the outermost zone or non-luminous zone of a flame is the hottest zone as complete combustion of wax takes place in that zone. [1 mark]

Solution:

The water in Ramesh”s beaker will heat up in a shorter time. [1 mark]

This is because the outermost zone or non-luminous zone of a flame is the hottest zone as complete combustion of wax takes place in that zone. [1 mark]